The philosopher Hannah Arendt has argued that the human condition is a cycle of exhaustion and renewal, so that going up is possible only after going down and attempts to remain permanently up will fail: ‘There is no lasting happiness outside the prescribed cycle of painful exhaustion and pleasurable regeneration, and whatever throws this cycle out of balance – poverty and misery where exhaustion is followed by wretchedness instead of regeneration, or great riches and an entirely effortless life where boredom takes the place of exhaustion . . . ruins the elemental happiness that comes from being alive